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TotalBoat Thixo Flex Flexible Epoxy Adhesive

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TotalBoat Thixo Flex Thickened Flexible Epoxy Adhesive

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Product Details

Thixo Flex is a thickened epoxy adhesive that forms flexible, high-strength bonds on wood (even teak and other oily woods), fiberglass, metals, glass, & some plastics. Upon cure, it creates permanent, structural bonds that absorb shocks, stresses, & vibration.

This cartridge-dispensed non-sagging epoxy is great for building or restoring wooden boats prone to flexing during use, and movement from weather-related expansion & contraction. Thixo Flex can be applied to dry or damp surfaces in temperatures as low as 40°F. You'll appreciate the long working time & easy cleanup.

Handy cartridges fit most standard caulk guns. Use the included mixing tip to measure, mix, & dispense a bead that's the precise 1:1 mix of resin and hardener to get a proper cure each time. No need to measure, mix, or worry.

One 250ml cartridge includes 2 static mixing tips.

Note: For use in manual caulking guns only. Do not use with pneumatic gun.

Tech Specs
Specifications & Properties
Color Buff
Mix Ratio by Volume 1A (resin) to 1B (hardener)
Mix Ratio by Weight 1.2A (resin) : 1B (hardener)
Gel Time (100g mass) @ 72°F 40 minutes
Working Time (Thin Film) @ 72°F 75 minutes
Initial Cure Time @ 72°F 3-4 hours
Workable Cure Time @ 72°F Sandable in 7-10 hours
Cure Time for High Loads @ 72°F 24 hours
Minimum Recommended Temperature 40°
Tensile Strength 5,330 psi
Compressive Strength 7,200 psi
Flexural Strength 8,800 psi
Volumetric Shrinkage 3.5%
Hardness, Shore D 77
Info & Guides

NOTE: Thixo cartridges have a slightly offset nozzle that fits most, but not all, caulk guns. Caulking applicators used with Thixo need to have a hole large enough for the mixing tip; cartridges won't fit applicators with only a small hole for the nozzle. For best results, use a caulk gun with an 8 to 1 thrust ratio or higher. For use in manual caulking guns only.

Technical Information

Thixo Flex Features

  • Forms permanent, flexible bonds on fiberglass, glass, metal, plastic, and wood, including hardwoods that typically are a challenge to bond because of their natural oils.
  • Waterproof bonds hold firmly when subjected to contraction, expansion, shock, & vibration.
  • Convenient cartridge fits most standard caulk guns.
  • Static mixing tip fits firmly onto cartridge to easily mix, measure, and dispense the precise ratio of resin and hardener for you.
  • Apply to dry or damp surfaces.
  • Long working time of 75 minutes is ideal for larger projects that require extensive gluing.
  • Can be used in temperatures as cool as 40°F.
  • Buff-colored cured epoxy can be sanded and painted.

Surface Preparation and Cleanup Solvents

  • Surface Prep Solvent: Acetone or denatured alcohol or TotalBoat Eco Solvent
  • Cleanup Solvent: Acetone or denatured alcohol; cured material must be removed mechanically
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Reviews

Rating Snapshot

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31 reviews with 5 stars.
5 reviews with 4 stars.
1 review with 3 stars.
1 review with 2 stars.
2 reviews with 1 star.

Overall Rating

4.5
1 out of 1 (100%) reviewers recommend this product

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Average Customer Ratings

Filter Reviews

1 to 10 of 40 Reviews
1 – 10 of 40 Reviews
SW Colorado
Age65 or over
GenderMale
5 out of 5 stars.

like the old formula better

a month ago
I used this stuff back in 2017 to build a off road box and the workability let us work with the wood and square the box and it has held up over the years, off road and on, from Texas to the Arctic Ocean. so I had some repairs to do after 7 years and I am using this again, but I like the older formula, where it came out dark brown and not clear

Yes, I recommend this product.

Helpful?
Connecticut
1 out of 5 stars.

useless mixing method

8 months ago
The epoxy itself is great but it will not dispense out of the caulk tube because it is too thick to move through the mixing tip. I could not pump it out by hand. I put the caulk gun handles in a vise and it still would not move. I cut the tip back further so as to have the largest diameter hole in the tip and still no luck. Cut it back once again so it now had a square hole in the tip and the mixing core / blades pumped out of the tip. My only remaining option was to dispense the epoxy with no mixing tip and mix the two components by hand. Also the caulking tube does not fit well in a standard caulk gun. I will go back to West System G-Flex for far superior ease of use and you can mix the amount you need. I had to throw out the unused Thixo wasting most of the money spent on this product....very frustrating!
Helpful?
Florida
5 out of 5 stars.

Just what I needed!

11 months ago
Have a large joint where the back roof of my boat meets the pilot house. After years of dealing with water intrusion despite seam sealant, I epoxied it. Needed something flexible and this was it.
Helpful?
Westport Point, MA
2 out of 5 stars.

Disappointing flex epoxy that sags while curing.

a year ago
Unlike other brands, such as Petit Flexpoxy, Thixo sags while curing. I'm using this to glue wooden boat structures that flex. I need to cover the glue-up with wax paper to stop the sagging while it cures. A time-consuming nuisance.
Helpful?
NH
5 out of 5 stars.

I would buy this epoxy again!

a year ago
This epoxy is on steroids! whatever you're gluing becomes one with the boat!
Helpful?
Beverly Hills, Florida
5 out of 5 stars.

Good Product

a year ago
Works great. Plenty of time before it hardens. Be sure to waste the first 3 or 4 inches to insure you are getting a fully mixed product (note the color change when properly mixed).
Helpful?
Bend Oregon
5 out of 5 stars.

Total awesome

3 years ago
I have used it in my metal art , and I got the flex works great for glueing on rhinestones and cubic zirconia,
Helpful?
N W Florida
5 out of 5 stars.

Exactly what I needed.

3 years ago
Used it for log home repairs. Had some large checks in a few logs that I wanted to fill but also bond so they wouldn't get worse.
Helpful?
WestPenntucky
5 out of 5 stars.

Super Epoxy

3 years ago
I used it to repair cracked fiberglass. I also was able to apply it very thick on a damaged vertical surface by mixing in some flocked cotton fiber to make extra thick and apply with a putty knife. GOOD STUFF
Helpful?
Lynn Haven fl
4 out of 5 stars.

I would buy again.

3 years ago
First time using did not get a good mix. I followed the instructions for a 3-4 inch line of epoxy and thought that was all. When I applied it started to turn brown, as it should, about 5 more inches into the repair. It would be nice to have more mixing tubes.
Helpful?
1 – 10 of 40 Reviews

Questions

1 - 10 of 35 Questions

Q: Will this bond to FRP and plywood for a camper skin that is dis-bonding?

a year ago
2 Answers

A: Hey there. Yes, this will form a bond to both FRP and plywood.

a year ago
Helpful?

Q: Will it adhere to PVC

3 years ago
1 Answer

A: Yes, if properly cleaned and sanded with 80 grit.

3 years ago
Helpful?

Q: can the mixing tube be reused? will running acetone through mixing tube prolong its usable life?

3 years ago
1 Answer

A: We do not recommend reusing the mixing tips

3 years ago
Helpful?

Q: Can Thixo Flex be used as a temporary repair on delaminated tabbing? I know that the right/best approach is to grind it all away and retab. In my case the tabbing has come away from the hull (still bonded to the bulkheads/cabinetry), and I'm wondering if squeezing a bunch of Thixo into the gap might strengthen things up for a while.

3 years ago
1 Answer

A: John It couldn't hurt to try. I used this product to repair spider cracks in the hull of my Searay before I sealed and painted it. I hit the cracks with a rotary file then injected the Thixo Flex and worked in with a bondo spreader. I've had no problems. David

3 years ago
Helpful?

Q: WHICH THIXO IS BEST FOR FILLING SEAMS ON FRESH MAHOGANY PLANKING. SEAMS RANGE FROM 1/32 TO 3-64 WIDE

3 years ago
1 Answer

A: Plank seams should be filled with Interlux Seam Compound or a flexible sealant such as Sika or Boatlife

3 years ago
Helpful?

Q: Googled ""Hypalon Glue"" and among others, TotalBoat Thixo Flex Thickened Flexible Epoxy Adhesive showed up... does it really work on Hypalon? Actually need to glue the Hyapalon tube to the plastic transom of my dink.

4 years ago
1 Answer

A: Sorry but it is not for gluing hypalon.

4 years ago
Helpful?

Q: What gel coat needs to used with this product?

4 years ago
3 Answers

A: This product is more of a bonding/gap filling application and that's all I have ever used it for. I am not sure in what application you're using the thixo but it's not something that you'd be typically laying up glass with. So if you're gel coating over a repair area that has thixo, as long as you sand and prep the exposed thixo I would imagine the gelcoat would bond. Also if applicable, you could use a polyester/epoxy based fairing compound over the thixo to ensure better gel coat adhesion.

4 years ago
Helpful?

Q: I recently purchased a +/– 30 year old 19'6"" wooden sloop, strip planked pine over oak frames. She's been out of the water for several years, stored indoors. When we launched her we left her flooded (with flotation, so neutrally buoyant) to take up. The planking seems to have swelled up fine, but there is a persistent and significant leak along the seam between the port garboard and the keel. I'm planning to haul her again, clean out that seam, and fill it with Thixo Flex. Would you recommend that product for this application?

4 years ago
1 Answer

A: Sealing a leak between the keel and port garboard is a job for Dow 4200 or 5200 Marine sealant or a Poly-sulfide Marine caulking compound, either of which will remain much more flexible than Thixo Flex Epoxy. FYI some old maritime trivia, back in the day of caulking with oakum (cotton fiber) and tar the first seam along the keel and first plank was very difficult and was nick named ""the devil"" hence the saying ""Between the devil and the deep blue sea"". Doug

4 years ago
Helpful?

Q: Which caulking gun do you recommend?

5 years ago
2 Answers

A: I just used my plain old gun with a good pressure release button.....

5 years ago
Helpful?

Q: I am replacing the stringers under the cabin floor in my sailboat. Which Thixo is best for this application: Flex or 2:1?

5 years ago
1 Answer

A: It's normal for boats to flex a bit so Thixo Flex is your best bet.

5 years ago
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1 - 10 of 35 Questions